US11861244B2 - Printing system, printing control method, information processing apparatus, and non-transitory computer-readable recording medium - Google Patents

Printing system, printing control method, information processing apparatus, and non-transitory computer-readable recording medium Download PDF

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Publication number
US11861244B2
US11861244B2 US17/677,148 US202217677148A US11861244B2 US 11861244 B2 US11861244 B2 US 11861244B2 US 202217677148 A US202217677148 A US 202217677148A US 11861244 B2 US11861244 B2 US 11861244B2
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Prior art keywords
printing
control target
print
target portion
print image
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US20220179598A1 (en
Inventor
Yasuhiro Morimoto
Makoto Kurihara
Keita Ishiguro
Ryotaro TAKAMURA
Seiichi OHKI
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Fujitsu Frontech Ltd
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Fujitsu Frontech Ltd
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Assigned to FUJITSU FRONTECH LIMITED reassignment FUJITSU FRONTECH LIMITED ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: ISHIGURO, KEITA, KURIHARA, MAKOTO, MORIMOTO, YASUHIRO, OHKI, Seiichi, TAKAMURA, Ryotaro
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
    • G06K15/02—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers
    • G06K15/18—Conditioning data for presenting it to the physical printing elements
    • G06K15/1801—Input data handling means
    • G06K15/1803—Receiving particular commands
    • G06K15/1806—Receiving job control commands
    • G06K15/1807—Receiving job control commands relating to the print image preparation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/12—Digital output to print unit, e.g. line printer, chain printer
    • G06F3/1201—Dedicated interfaces to print systems
    • G06F3/1202—Dedicated interfaces to print systems specifically adapted to achieve a particular effect
    • G06F3/1211—Improving printing performance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
    • B41J2/32—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J21/00—Column, tabular or like printing arrangements; Means for centralising short lines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/01—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for special character, e.g. for Chinese characters or barcodes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/12—Digital output to print unit, e.g. line printer, chain printer
    • G06F3/1201—Dedicated interfaces to print systems
    • G06F3/1202—Dedicated interfaces to print systems specifically adapted to achieve a particular effect
    • G06F3/1203—Improving or facilitating administration, e.g. print management
    • G06F3/1208—Improving or facilitating administration, e.g. print management resulting in improved quality of the output result, e.g. print layout, colours, workflows, print preview
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/12—Digital output to print unit, e.g. line printer, chain printer
    • G06F3/1201—Dedicated interfaces to print systems
    • G06F3/1223—Dedicated interfaces to print systems specifically adapted to use a particular technique
    • G06F3/1237—Print job management
    • G06F3/1242—Image or content composition onto a page
    • G06F3/1243—Variable data printing, e.g. document forms, templates, labels, coupons, advertisements, logos, watermarks, transactional printing, fixed content versioning
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/12—Digital output to print unit, e.g. line printer, chain printer
    • G06F3/1201—Dedicated interfaces to print systems
    • G06F3/1278—Dedicated interfaces to print systems specifically adapted to adopt a particular infrastructure
    • G06F3/1285—Remote printer device, e.g. being remote from client or server
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
    • G06K15/02—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers
    • G06K15/028—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by thermal printers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/23—Reproducing arrangements

Definitions

  • a receipt printing device that issues a receipt by cutting it out from continuous paper.
  • a drive mechanism is driven by a stepping motor so that strip-shaped continuous paper held in the shape of a roll has predetermined information printed thereon, is cut out to a length as needed, and is issued as a receipt.
  • Air boarding pass that describes boarding information such as destination, flight number, and seat number
  • a baggage tag that describes baggage information such as destination of a flight baggage and flight number and that is attached to a baggage so as to be used as a sign when transporting or delivering the baggage.
  • Air boarding passes and baggage tags may also be printed by a printing device similar to a receipt printing device that issues receipts.
  • the print medium such as thermal paper has a poor quality and produces poor color
  • print blurring occurs at the default print speed. Therefore, for example, when a barcode, or the like, is printed on the print medium, the reading rate of the barcode, or the like, becomes lowered.
  • the print density is increased to improve the print quality, and when there is no improvement, the print speed is decreased for printing.
  • print image data is directly received from a server, and the print content corresponding to the print image data is printed on a print medium.
  • a specific portion such as barcode or logo
  • the print quality of the specific portion may be decreased.
  • a printing system includes a printing device including a thermal head that prints print content on a print medium; and an information processing apparatus that controls the printing device.
  • the information processing apparatus comprises a processor configured to detect, from print image data from a server, a position of a control target portion including a specific portion in a print image corresponding to the print image data.
  • the processor is configured to generate printing control information for printing the control target portion.
  • the processor is configured to transmit the print image data, the position of the control target portion, and the printing control information to the printing device.
  • the printing device executes different printing controls for the control target portion and a portion other than the control target portion based on the print image data, the position of the control target portion, and the printing control information.
  • FIG. 2 is a perspective view illustrating an example of a printing device.
  • FIG. 3 is an explanatory diagram illustrating an example of an internal configuration of the printing device.
  • FIG. 4 is an explanatory diagram illustrating an example of a hardware configuration of the printing device.
  • FIG. 5 is an explanatory diagram illustrating an example of a hardware configuration of an information processing apparatus.
  • FIG. 6 is an explanatory diagram illustrating an example of a software configuration of the printing system.
  • FIG. 7 is an explanatory diagram illustrating an example of a functional configuration of the information processing apparatus.
  • FIG. 8 B is an explanatory diagram illustrating an example of a print image of a baggage tag.
  • FIG. 9 is an explanatory diagram illustrating an example of a morphology conversion process.
  • FIG. 10 is an explanatory diagram illustrating an example of the morphology conversion process.
  • FIG. 11 is an explanatory diagram illustrating an example of a contour extraction process.
  • FIG. 12 is an explanatory diagram illustrating an example of print content when a barcode interval in a Y-coordinate direction is equal to or more than a predetermined interval.
  • FIG. 13 is an explanatory diagram illustrating an example of print content when multiple barcodes are overlapped on a Y coordinate.
  • FIG. 14 is an explanatory diagram illustrating an example of print content when a barcode interval in the Y-coordinate direction is less than a predetermined interval.
  • FIG. 15 is a flowchart illustrating an example of a processing operation of the overall printing system regarding a ticketing process.
  • FIG. 16 is a flowchart illustrating an example of a processing operation of the information processing apparatus regarding a detection process.
  • FIG. 17 is a flowchart illustrating an example of a processing operation of the printing device regarding a printing process.
  • the printing device 3 is communicatively connected to the information processing apparatus 2 via the USB 6 in the case described, but it may be connected in parallel and may be changed as appropriate. Moreover, the printing device 3 is connected to the information processing apparatus 2 by wire in the case described, but it may be connected wirelessly and may be changed as appropriate.
  • the server 4 is, for example, a host computer such as an airport server that manages the overall printing system 1 .
  • FIG. 2 is a perspective view illustrating an example of the printing device 3 .
  • the printing device 3 illustrated in FIG. 2 includes a printer unit 3 A and a control unit 3 B.
  • a roll paper stand 12 where roll-shaped roll paper 11 , which is a print medium (e.g., thermal paper), is placed may be connected and installed on a back surface of the printer unit 3 A. Further, instead of the roll paper stand 12 , it is also possible to connect a fanfold paper tray where a print medium such as continuously folded fanfold paper is placed.
  • a print medium e.g., thermal paper
  • the control unit 3 B has a power switch 21 provided on a front surface and has an operating unit 22 provided on an upper surface.
  • the power switch 21 switches on/off the power of the printing device 3 .
  • the operating unit 22 includes an operation switch to operate the printing device 3 and a status display LED that displays the status of the printing device 3 .
  • the status display LED lights up when an error occurs or lights up when the roll paper 11 or the fanfold paper runs out.
  • the control unit 3 B has an ejection roller 23 provided on the front surface. The ejection roller 23 ejects the printed roll paper 11 from the printer unit 3 A.
  • FIG. 3 is an explanatory diagram illustrating an example of an internal configuration of the printing device 3 .
  • the printer unit 3 A includes the operating unit 22 , the ejection roller 23 , a conveyance motor 24 , a platen roller 25 , a thermal head 26 , a cutter drive motor 27 , a cutter 28 , and the like.
  • the printer unit 3 A has an insertion port 29 A provided on a back side and has an ejection port 29 B provided on a front side. Furthermore, a conveyance path 29 C is formed between the insertion port 29 A and the ejection port 29 B.
  • the insertion port 29 A has a print medium, such as the roll paper 11 or fanfold paper, inserted from the roll paper stand 12 or the fanfold paper tray.
  • the ejection port 29 B ejects a baggage tag or an air boarding pass as a print medium having print content printed thereon due to the rotational force of the ejection roller 23 .
  • the conveyance path 29 C conveys the print medium inserted through the insertion port 29 A to the ejection port 29 B.
  • the conveyance motor 24 rotates the platen roller 25 .
  • the platen roller 25 is rotated by the conveyance motor 24 to convey the print medium inserted through the insertion port 29 A to the ejection port 29 B via the conveyance path 29 C.
  • the thermal head 26 selectively generates heat from a plurality of heating elements arranged in a line to print the print content on the print medium that reacts with heat.
  • the cutter drive motor 27 performs operations to move the cutter 28 up and down.
  • the cutter 28 is moved up and down by the cutter drive motor 27 to cut the print medium having the print content printed thereon to a predetermined size so as to form a baggage tag, or the like.
  • the ejection roller 23 pinches a printed baggage tag, or the like, with an opposing pinch roller and ejects it through the ejection port 29 B.
  • FIG. 4 is an explanatory diagram illustrating an example of a hardware configuration of the printing device 3 .
  • the printer unit 3 A illustrated in FIG. 4 includes the conveyance motor 24 and the thermal head 26 .
  • the thermal head 26 includes a thermistor 26 A that detects the ambient temperature of any heating element in the thermal head 26 .
  • the thermistor 26 A outputs an AD conversion value of a detection signal of the ambient temperature of the heating element.
  • the control unit 3 B includes a connection IF (Interface) 31 , a ROM (Read Only Memory) 32 , a RAM (Random Access Memory) 33 , and a CPU (Central Processing Unit) 34 .
  • the connection IF 31 is an interface for communicatively connecting to the information processing apparatus 2 via the USB 6 .
  • the ROM 32 stores table data, and the like, for executing each function of the printing device 3 in addition to a printing program executed by the printing device 3 .
  • it stores a control program for printing a desired drawing design on a print medium by the thermal head 26 driven by a head drive circuit and data such as print data, size information, and print font for characters, symbols, pictograms, and the like, included in the drawing design to be printed.
  • the RAM 33 serves as an input data memory that stores print information such as information specifying characters, symbols, pictograms included in the desired drawing design to be printed, the sizes thereof, and character intervals, and the size of a printed material to be created. Further, the RAM 33 functions as a data memory that stores print image data that is generated based on the input print information and that represents the desired drawing design. Further, the print image data is data such as a print image corresponding to the print content. Further, the RAM 33 includes a register, a counter, and the like, which temporarily stores data needed for printing processing, etc., for example, the position of a specific portion and printing control information on each position.
  • the specific portion is, for example, a portion such as a logo or a barcode for which high-quality printing of a print image is needed.
  • the CPU 34 controls the overall printing device 3 .
  • the CPU 34 loads the print program stored in the ROM 32 into the RAM 33 and executes printing control on the print medium based on the loaded print program.
  • FIG. 5 is an explanatory diagram illustrating an example of a hardware configuration of the information processing apparatus 2 .
  • the information processing apparatus 2 illustrated in FIG. 5 includes a communication IF 41 , an HDD (Hard Disk Drive) 42 , a ROM 43 , a RAM 44 , and a CPU 45 .
  • the communication IF 41 is an interface that communicatively connects to the server 4 via the LAN 5 and communicatively connects to the printing device 3 via the USB 6 .
  • the HDD 42 is an area that stores various types of information.
  • the ROM 43 is an area that stores various programs.
  • the RAM 44 is an area that stores various types of information.
  • the CPU 45 controls the overall information processing apparatus 2 .
  • FIG. 6 is an explanatory diagram illustrating an example of a software configuration of the printing system 1 .
  • the printing system 1 illustrated in FIG. 6 includes the information processing apparatus 2 and the printing device 3 .
  • Software on the CPU 45 in the information processing apparatus 2 includes an application (hereinafter simply referred to as app) 45 A, a handler 45 B, and a USB driver 45 C. Further, it is assumed that the ROM 43 stores the app 45 A, the handler 45 B, and the USB driver 45 C.
  • the app 45 A is a customer application for transmitting and receiving customer data, or the like, from the server 4 .
  • the handler 45 B is a service module that converts a command from the app 45 A into a command of the printer unit 3 A in the printing device 3 .
  • the handler 45 B detects the coordinate position of a specific portion, such as barcode or logo, from the print image data acquired from the server 4 and generates printing control information for each coordinate position.
  • the USB driver 45 C is a driver that drives the printer unit 3 A in the printing device 3 .
  • FIG. 7 is an explanatory diagram illustrating an example of a functional configuration of the information processing apparatus 2 .
  • the information processing apparatus 2 illustrated in FIG. 7 includes a control unit 2 A and a storage unit 2 B.
  • the control unit 2 A loads the printing control program stored in the ROM 43 into the RAM 44 and executes the loaded printing control program to execute it as a function of a printing control process.
  • the control unit 2 A includes, as functional configurations, a reception unit 51 , a detection unit 52 , a generation unit 53 , and a transmission unit 54 .
  • the storage unit 2 B includes a first storage unit 61 , a second storage unit 62 , and a coordinate table 63 .
  • the control unit 2 A controls the overall information processing apparatus 2 .
  • the storage unit 2 B stores various types of information.
  • the reception unit 51 receives the customer data including the print image data to be printed from the server 4 via the LAN 5 .
  • the detection unit 52 detects, from the print image data, the coordinate position of the specific portion such as barcode or logo and detects the coordinate position of a control target portion described below from the coordinate position of the specific portion.
  • the generation unit 53 generates printing control information, e.g., the print speed and the print density, for each coordinate position of the control target portion. Further, the printing control information is control information used for printing control of the coordinate position of the control target portion.
  • the printing control information is, for example, control information such as a print speed lower than the default print speed and a print density higher than the default print density.
  • the detection unit 52 stores the printing control information for each coordinate position of the control target portion in the coordinate table 63 .
  • the transmission unit 54 transmits the coordinate position of the control target portion including barcode, logo, etc., and the printing control information and the print image data for each coordinate position of the control target portion to the printing device 3 via the USB 6 .
  • the detection unit 52 binarizes each pixel of the print image corresponding to the print image data in black and white and executes a morphology conversion process on each pixel after binarization.
  • the detection unit 52 extracts the contour of the specific portion from the pixels after the morphology conversion process based on a similar condition that is similar to the specific portion.
  • the similar condition is a barcode threshold with which it may be assumed that the horizontal and vertical size of the contour is the horizontal and vertical size of a barcode.
  • the similar condition is a logo threshold with which it may be assumed that the horizontal and vertical size of the contour is the horizontal and vertical size of a logo.
  • the detection unit 52 stores the coordinate position of the extraction contour corresponding to the similar condition in the first storage unit 61 .
  • the detection unit 52 detects the contour as the coordinate position of the specific portion when the duty ratio between one value (black) and the other value (white) out of two values for each pixel of the extraction contour stored in the first storage unit 61 is equal to or more than the duty threshold.
  • the detection unit 52 stores the coordinate position of the extraction contour whose duty ratio is equal to or more than the duty threshold in the second storage unit 62 . Then, the detection unit 52 detects the coordinate position of the control target portion from the coordinate position of the extraction contour stored in the second storage unit 62 based on a single condition described below and stores the coordinate position of the control target portion in the coordinate table 63 .
  • the first storage unit 61 stores the coordinate position of the extraction contour that corresponds to the similar condition.
  • the second storage unit 62 stores the coordinate position of the extraction contour whose duty ratio is equal to or more than the duty threshold.
  • the coordinate table 63 stores the coordinate position of the control target portion.
  • FIG. 8 A is an explanatory diagram illustrating an example of a print image 70 A of an airline boarding pass.
  • the print image 70 A corresponding to the print image data on the air boarding pass illustrated in FIG. 8 A includes a logo 71 A near the lower left end, a barcode 72 A near the center lower end, and the logo 71 A near the upper right end.
  • the logo 71 A near the lower left end is, for example, “ABCD airline”, and the logo 71 A near the upper right end is, for example, “ABCD”.
  • FIG. 9 is an explanatory diagram illustrating an example of the morphology conversion process.
  • the detection unit 52 executes the morphology conversion process on each pixel of the print image corresponding to the print image data.
  • each pixel of the print image is binarized in white or black and, as illustrated in FIG. 9 , it is determined whether there is even one black in eight pixels ⁇ 1 adjacent to a pixel ⁇ 0 that is one dot as a determination target. Then, in the morphology conversion process, when there is even one black in the eight pixels ⁇ 1 adjacent to the pixel ⁇ 0 as a determination target, the pixel ⁇ 0 as a determination target is replaced with black.
  • FIG. 10 is an explanatory diagram illustrating an example of the morphology conversion process.
  • the morphology conversion process is performed multiple times to replace approximately two dots with black, that is, to fill them with black, at one time.
  • the pixels after the morphology conversion process are filled with black as illustrated in FIG. 10 so that the black area gradually increases.
  • the detection unit 52 stores, in the second storage unit 62 , the coordinate position of the extraction contour whose duty is equal to or more than the duty threshold (e.g., the proportion of black is 40%) among the extraction contours stored in the first storage unit 61 .
  • the detection unit 52 sorts the coordinate positions of the extraction contours in the second storage unit 62 in ascending order of a Y coordinate of the print image.
  • the printing control on the coordinate position of the control target portion M is first printing control
  • the printing control on the coordinate position of the portion other than the control target portion M is second printing control.
  • the second printing control has the default print speed and print density
  • the first printing control has a print speed lower than the default print speed and a print density higher than the default print density.
  • the printer unit 3 A in the printing device 3 executes the second printing control to print the portion from the start Y coordinate Y 0 to the start Y coordinate Y 1 , the portion from the end Y coordinate Y 2 to the start Y coordinate Y 3 , and the portion after the end Y coordinate Y 4 . Further, the printer unit 3 A executes the first printing control to print the portion from the start Y coordinate Y 1 to the end Y coordinate Y 2 and the portion from the start Y coordinate Y 3 to the end Y coordinate Y 4 .
  • FIG. 13 is an explanatory diagram illustrating an example of the print content when multiple barcodes are overlapped on the Y coordinate.
  • the detection unit 52 determines that an extraction contour R 6 and an extraction contour R 7 are overlapped on the Y coordinate and are on the identical Y coordinate (identical row) and determines that the extraction contour R 6 and the extraction contour R 7 satisfy the single condition of the extraction contours. Then, as the extraction contour R 6 and the extraction contour R 7 satisfy the single condition, the detection unit 52 determines that they are one extraction contour and determines that a portion from a start Y coordinate Y 11 of the extraction contour R 6 to an end Y coordinate Y 14 of the extraction contour R 7 is the coordinate position of the control target portion M.
  • the coordinate positions of the portions other than the control target portion M include a portion from a start Y coordinate Y 10 to the start Y coordinate Y 11 and a portion after the end Y coordinate Y 14 .
  • the printer unit 3 A in the printing device 3 executes the second printing control to print the portion from the start Y coordinate Y 10 to the start Y coordinate Y 11 and the portion after the end Y coordinate Y 14 . Further, the printer unit 3 A executes the first printing control to print the portion from the start Y coordinate Y 11 to the end Y coordinate Y 14 . That is, the printer unit 3 A prints the control target portion M including the logo, barcode, or the like, of the extraction contour R 6 and the extraction contour R 7 with a high quality and prints the portion other than the control target portion M with the normal quality. As a result, even in the case of printing from the print image data including the specific portion, the print quality of the specific portion may be improved.
  • FIG. 14 is an explanatory diagram illustrating an example of the print content when the barcode interval in the Y-coordinate direction is less than the predetermined interval.
  • the detection unit 52 determines that the extraction contour R 8 and the extraction contour R 9 are on the identical Y coordinate (identical row) and determines that the extraction contour R 8 and the extraction contour R 9 satisfy the single condition of the extraction contours.
  • the detection unit 52 determines that they are one extraction contour and determines that a portion from a start Y coordinate Y 21 of the extraction contour R 8 to an end Y coordinate Y 24 of the extraction contour R 9 is the coordinate position of the control target portion M.
  • the coordinate positions of the portions other than the control target portion M include the portion from a start Y coordinate Y 20 to the start Y coordinate Y 21 and a portion after the end Y coordinate Y 24 .
  • the printer unit 3 A in the printing device 3 executes the second printing control to print the portion from the start Y coordinate Y 20 to the start Y coordinate Y 21 and the portion after the end Y coordinate Y 24 . Further, the printer unit 3 A executes the first printing control to print the portion from the start Y coordinate Y 21 to the end Y coordinate Y 24 . That is, the printer unit 3 A prints the control target portion M including the logo, barcode, or the like, of the extraction contour R 8 and the extraction contour R 9 with a high quality and prints the portions other than the control target portion M with the normal quality. As a result, even in the case of printing from the print image data including the specific portion, the print quality of the specific portion may be improved.
  • the printing device 3 When the printing device 3 receives the print image data, the coordinate position of the control target portion M, and the printing control information, it specifies the coordinate position of the control target portion M and the coordinate position of the portion other than the control target portion M from the print image data. The printing device 3 specifies the first printing control based on the printing control information for the coordinate position of the control target portion M and the second printing control as default for the coordinate position of the portion other than the control target portion M. The printing device 3 executes the printing control on the print medium based on the first printing control and the second printing control for each coordinate position.
  • FIG. 15 is a flowchart illustrating an example of a processing operation of the printing system 1 regarding a ticketing process.
  • the app 45 A in the information processing apparatus 2 receives the print image data from the server 4 (Step S 11 ). Furthermore, for convenience of explanation, the app 45 A directly receives the print image data from the server 4 in the case described, but the print image data may be generated from the coordinate, text data, etc., in the customer data received from the server 4 , and changes may be made as appropriate.
  • the app 45 A requests the handler 45 B to make a request for printing the print image data (Step S 12 ).
  • the handler 45 B generates the printing control information corresponding to the coordinate position of the control target portion, for example, the information on the first printing control such as the print density and the print speed (Step S 18 ). Further, the information on the first printing control is information on the printing control that is higher than the default print density and lower than the default print speed.
  • the handler 45 B transmits the printing control information for each coordinate position of the control target portion to the printer unit 3 A in the printing device 3 via the USB driver 45 C (Step S 19 ). Although the printer unit 3 A receives the coordinate position of the control target portion and the printing control information from the handler 45 B, the coordinate position of the portion other than the control target portion and the default printing control information on the coordinate position, for example, the second printing control information, are previously registered. Further, the handler 45 B transmits the print image data to the printer unit 3 A (Step S 20 ).
  • the printer unit 3 A starts a printing operation of the print image data based on the information on the first printing control and the information on the second printing control for each coordinate position (Step S 23 ) and ends the processing operation illustrated in FIG. 15 . That is, the printer unit 3 A increases the print density and decreases the print speed for the control target portion, such as barcode or logo, in the print image data so as to improve the print quality of barcode and logo portions. Further, the printer unit 3 A prints a portion other than the barcode and logo portions in the print image data at the default print speed and print density.
  • Step S 21 when the printing control information for each coordinate position of the control target portion has not been received (Step S 21 : No), the printer unit 3 A starts the printing operation of the print image data based on the information on the second printing control such as the print speed and the print density as default settings (Step S 24 ). Then, the printer unit 3 A ends the processing operation illustrated in FIG. 15 .
  • FIG. 16 is a flowchart illustrating an example of the processing operation of the information processing apparatus 2 regarding the detection process.
  • the handler 45 B determines whether there is print image data (Step S 31 ). When there is print image data (Step S 31 : Yes), the handler 45 B determines whether the detection process is enabled to detect the coordinate position of the specific portion, such as barcode or logo, from the print image data (Step S 32 ). When the detection process is enabled (Step S 32 : Yes), the handler 45 B determines whether a specified size of the extraction contour has been set (Step S 33 ). Further, the specified size is a similar condition such as the minimum size of the contour of a barcode or logo in the print image data. For example, the object for the specified size is the width or ratio of a thin line and a thick line in a barcode in the case of a one-dimensional barcode and is the size of one particle in the case of a two-dimensional barcode.
  • the handler 45 B executes the morphology conversion process illustrated in FIGS. 9 and 10 on the print image data (Step S 34 ).
  • the handler 45 B executes the contour extraction process (see FIG. 11 ) to extract the extraction contour from the print image data (Step S 35 ).
  • the handler 45 B specifies the coordinate position of the extraction contour of the similar specific portion such as logo or barcode from the print image data and stores the coordinate position of the specified extraction contour in the first storage unit 61 .
  • the handler 45 B determines whether the number (extraction contour number) of extraction contours stored in the first storage unit 61 has reached a predetermined threshold (Step S 36 ). Further, the predetermined threshold is the total number of specific portions, such as logos and barcodes, previously set in the print image data. When the extraction contour number has not reached the predetermined threshold (Step S 36 : No), the handler 45 B specifies any extraction contour from a plurality of extraction contours (Step S 37 ). The handler 45 B determines whether the specified extraction contour is equal to or more than the barcode threshold (Step S 38 ).
  • the barcode threshold is, for example, a similar condition corresponding to the preset minimum size of a barcode.
  • the handler 45 B determines that the specified extraction contour is similar to a barcode and stores the coordinate position of the extraction contour in the first storage unit 61 (Step S 39 ).
  • the handler 45 B determines that the specified extraction contour is not similar to a barcode and determines whether the specified extraction contour is equal to or more than the logo threshold (Step S 40 ).
  • the logo threshold is, for example, a similar condition corresponding to the preset minimum size of a logo.
  • Step S 40 determines that the extraction contour is similar to a logo and stores the coordinate position of the specified extraction contour in the first storage unit 61 (Step S 41 ). Then, the handler 45 B proceeds to Step S 36 to determine whether the extraction contour number has reached the predetermined threshold.
  • the handler 45 B determines whether there is a duty threshold (Step S 42 ). Further, as for the duty threshold, for example, the proportion of black is 40%. When there is a duty threshold (Step S 42 : Yes), the handler 45 B determines whether the extraction contour number has reached an effective detection number (Step S 43 ). Moreover, the effective detection number is the total number of specific portions in the preset print image data.
  • the handler 45 B specifies the extraction contour (Step S 44 ).
  • the handler 45 B calculates the duty of the specified extraction contour (Step S 45 ). Further, the duty of the extraction contour is the ratio between black and white of the extraction contour at the extracted coordinates after extracting the coordinates of the extraction contour from the print image data.
  • the handler 45 B determines whether the duty of the specified extraction contour is equal to or more than the duty threshold (Step S 46 ).
  • Step S 46 When the duty of the specified extraction contour is equal to or more than the duty threshold (Step S 46 : Yes), the handler 45 B determines that the specified extraction contour is a specific portion such as barcode or logo and stores the coordinate position of the extraction contour in the second storage unit 62 (Step S 47 ). Further, after storing the coordinate position of the extraction contour in the second storage unit 62 , the handler 45 B proceeds to Step S 43 to determine whether the extraction contour number of the extraction contours stored in the second storage unit 62 has reached the effective detection number.
  • Step S 46 determines that the specified extraction contour is not a specific portion such as barcode or logo and proceeds to Step S 43 to determine whether the extraction contour number has reached the effective detection number.
  • the handler 45 B sorts the coordinate positions of the extraction contours that are stored in the second storage unit 62 and have equal to or more than the duty threshold (Step S 48 ). The handler 45 B determines whether there is an extraction contour that satisfies the single condition among the sorted extraction contours (Step S 49 ). The handler 45 B determines that the extraction contour satisfying the single condition is one extraction contour (Step S 50 ).
  • the handler 45 B determines that the coordinate position of the extraction contour that is stored in the second storage unit 62 and satisfies the single condition or the coordinate position of the extraction contour that does not satisfy the single condition is the coordinate position of the control target portion and stores the coordinate position of the control target portion in the coordinate table 63 (Step S 51 ). Specifically, the handler 45 B sorts the coordinate positions of the extraction contours of the sorted control target portions stored in the coordinate table 63 in ascending order. Further, the handler 45 B stores the printing control information (information on the first printing control) in the coordinate table 63 for each coordinate position of the control target portion (Step S 52 ).
  • the handler 45 B transmits the coordinate position of the control target portion stored in the coordinate table 63 , the printing control information (information on the first printing control), and the print image data to the printing device 3 (Step S 53 ) and ends the processing operation illustrated in 16 . That is, the printer unit 3 A in the printing device 3 sorts the sorted coordinate positions of the extraction contours in ascending order to start printing.
  • Step S 31 When there is no print image data (Step S 31 : No), the handler 45 B transmits a normal print request to the printing device 3 (Step S 54 ) and ends the processing operation illustrated in FIG. 16 .
  • Step S 32 When the detection process is not enabled (Step S 32 : No), the handler 45 B transmits the print image data to the printing device 3 (Step S 55 ) and ends the processing operation illustrated in FIG. 16 .
  • Step S 42 When there is no duty threshold (Step S 42 : No), the handler 45 B sets the duty default value as a duty threshold (Step S 56 ) and proceeds to Step S 43 to determine whether the extraction contour number has reached the effective detection number.
  • FIG. 17 is a flowchart illustrating an example of the processing operation of the printing device 3 regarding a printing process.
  • the printer unit 3 A in the printing device 3 determines whether the coordinate position of the control target portion, the printing control information, and the print image data have been received from the information processing apparatus 2 (Step S 61 ). Further, the printing control information is the information on the first printing control for the coordinate position of the control target portion. When the coordinate position of the control target portion, the printing control information, and the print image data have been received (Step S 61 : Yes), the printer unit 3 A calculates a control start position and a control end position from the coordinate position of the control target portion (Step S 62 ). Further, for example, when the coordinate position of the control target portion is as in FIG.
  • the control start position is the start Y coordinate Y 21 of the extraction contour R 8 of the control target portion
  • the control end position is the end Y coordinate Y 24 of the extraction contour R 9 of the control target portion.
  • the printer unit 3 A executes the printing control corresponding to the default printing control information (Step S 65 ). After executing the printing control corresponding to the default printing control information, the printer unit 3 A determines whether the print position has reached the print end position (Step S 66 ). Further, the print position is, for example, the print position in the middle of the current printing by the thermal head 26 . The print end position is, for example, the end position of the print content corresponding to the print image data. When the print position has reached the print end position (Step S 66 : Yes), the printer unit 3 A ends the processing operation illustrated in FIG. 17 .
  • Step S 67 the printer unit 3 A determines whether the print position has reached the control start position.
  • Step S 67 Yes
  • the printer unit 3 A executes the printing control corresponding to the printing control information (information on the first printing control) (Step S 68 ).
  • the printer unit 3 A executes the first printing control for the coordinate position of the control target portion, that is, increases the print density and decreases the print speed. Further, the printer unit 3 A determines whether the print position has reached the control end position during execution of the printing control corresponding to the printing control information at Step S 68 (Step S 69 ).
  • Step S 69 When the print position has reached the control end position (Step S 69 : Yes), the printer unit 3 A proceeds to Step S 65 to execute the printing control corresponding to the default printing control information. Further, when the print position has not reached the control start position (Step S 67 : No), the printer unit 3 A proceeds to Step S 65 to execute the printing control corresponding to the default printing control information. When the print position has not reached the control end position (Step S 69 : No), the printer unit 3 A proceeds to Step S 68 to execute the printing control corresponding to the printing control information.
  • the information processing apparatus 2 detects the control target portion including the specific portion, such as barcode or logo, from the print image data and transmits, to the printing device 3 , the printing control information (information on the first printing control) for increasing the print density and decreasing the print speed for only the control target portion on the print medium.
  • the printing device 3 may improve the print quality of the specific portion even when printing is executed from the print image data including the specific portion.
  • the printing device 3 decreases the print speed for only the control target portion including the specific portion, it is possible to prevent a significant reduction in the print speed of the entire print medium.
  • the effect on the life of the thermal head 26 may be reduced.
  • the detection unit 52 extracts the contour of the specific portion from the print image data based on the similar condition that is similar to the specific portion and detects the position of the specific portion from the extracted contour. As a result, the information processing apparatus 2 may detect the position of the control target portion including the specific portion from the print image data.
  • the detection unit 52 binarizes each pixel of the print image, executes the morphology conversion process on each binarized pixel, then extracts the contour from the pixels after the morphology conversion process, and detects the position of the specific portion from the extracted contour. As a result, the information processing apparatus 2 may accurately detect the position of the control target portion including the specific portion from the print image data.
  • the detection unit 52 detects the contour as the position of the specific portion when the duty ratio between one value and the other value out of two values of each pixel of the extracted contour is equal to or more than a predetermined duty threshold. As a result, the information processing apparatus 2 may detect the position of the control target portion including the specific portion from the print image data with high accuracy.
  • the generation unit 53 generates, as the printing control information for each position of the specific portion, the information on the first printing control for performing control to increase the print density so as to be different from the portion other than the specific portion when printing is executed by the thermal head 26 .
  • the printing device 3 increases the print density for the specific portion so as to improve the print quality of the specific portion.
  • the generation unit 53 generates, as the printing control information for each position of the specific portion, the information on the first printing control for performing control to decrease the print speed so as to be different from the portion other than the specific portion when printing is executed by the thermal head 26 .
  • the printing device 3 decreases the print speed for the specific portion so as to improve the print quality of the specific portion.
  • the information processing apparatus 2 enables the detection process in the case of a print medium having a poor print quality.
  • the printing device 3 may improve the print quality of the specific portion even when printing is executed from the print image data including the specific portion even on the print medium having a poor print quality.
  • the information processing apparatus 2 disables the detection process in the case of a print medium having a desirable print quality. Accordingly, the print speed is the same as that of the conventional model.
  • the information processing apparatus 2 transmits the coordinate position of the control target portion, the information on the first printing control for each coordinate position of the control target portion, and the print image data to the printing device 3 .
  • the printing device 3 controls printing of the control target portion based on the coordinate position of the control target portion acquired from the information processing apparatus 2 and the information on the first printing control for each coordinate position of the control target portion. As a result, the printing device 3 may improve the print quality of the specific portion without changing the hardware configuration.
  • the printing device 3 is illustrated as an airline printer, or the like, which issues an airline boarding pass, etc., it may be, for example, a receipt printing device that issues a receipt, or the like, and may be changed as appropriate.
  • each component of each unit illustrated does not always need to be physically configured as illustrated.
  • specific forms of separation/integration of units are not limited to the one illustrated, and all or some of them may be functionally or physically configured to be separated/integrated in any unit in accordance with various loads or usage conditions.
  • each device may be executed on a CPU (Central Processing Unit) (or microcomputer such as MPU (Micro Processing Unit) or MCU (Micro Controller Unit)). Further, it is obvious that all or any part of various processing functions may be executed on a program analyzed and executed by a CPU (or microcomputer such as MPU or MCU) or wired logic hardware.
  • CPU Central Processing Unit
  • MPU Micro Processing Unit
  • MCU Micro Controller Unit
  • the object is to provide a printing system, and the like, which may improve the print quality of the specific portion even when printing is executed from the print image data including the specific portion.

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  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Quality & Reliability (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Record Information Processing For Printing (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
  • Printers Characterized By Their Purpose (AREA)
US17/677,148 2019-09-02 2022-02-22 Printing system, printing control method, information processing apparatus, and non-transitory computer-readable recording medium Active US11861244B2 (en)

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JP7304420B2 (ja) 2023-07-06

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